diff --git a/Classes/AttachPermissionsToGroups.php b/Classes/AttachPermissionsToGroups.php
index aba2630..6a30649 100644
--- a/Classes/AttachPermissionsToGroups.php
+++ b/Classes/AttachPermissionsToGroups.php
@@ -80,6 +80,12 @@ private function expandGroupPermissionsWithPermissionSet(array $group, Permissio
             $group['mfa_providers'] .= ',' . implode(',', $this->expandMfaProviderInstruction($additionalMfaProviders));
         }
 
+        // Attach custom options
+        $customOptions = $permissionSet->getCustomOptions();
+        if ($customOptions) {
+            $group['custom_options'] .= ',' . implode(',', $this->expandCustomOptionsInstruction($customOptions));
+        }
+
         // Attach sites / pages
         if ($permissionSet->getAllowedSitesAndPages()) {
             $sitesAndPages = $permissionSet->getAllowedSitesAndPages();
@@ -241,4 +247,16 @@ private function expandMfaProviderInstruction(array $allowedMfaProviders): array
 
         return $allowedMfaProviders;
     }
+
+    private function expandCustomOptionsInstruction(array $customOptions): array
+    {
+        $expandedCustomOptions = [];
+        foreach ($customOptions as $group => $options) {
+            foreach ($options as $option) {
+                $expandedCustomOptions[] = $group . ':' . $option;
+
+            }
+        }
+        return $expandedCustomOptions;
+    }
 }
diff --git a/Classes/PermissionSet.php b/Classes/PermissionSet.php
index ddf16a6..69ee77e 100644
--- a/Classes/PermissionSet.php
+++ b/Classes/PermissionSet.php
@@ -106,4 +106,9 @@ public function getAllowedLanguages(): ?array
     {
         return $this->instructions['languages'] ?? null;
     }
+
+    public function getCustomOptions(): ?array
+    {
+        return $this->instructions['custom_options'] ?? null;
+    }
 }